Tag Archives :N

How to send SMS text message on RT73?  ...

when you connect to this repeater, if you use a digital radio you need to set a digital channel and also an analog channel. But if you have RetevisRT73 mobile radio, you can set only one channel to monitor this repeater.  ...

Why cant use the radio when it is on charging? How to protect your battery?   ...

For hams, the scan is a very common and practical function. With the continuous development of amateur radio, the new word scanner has appeared. So what is the scanner, and what is the difference between scan and scanner?  ...

Retevis RT23 is a U/V dual band handheld amateur radio station with dual PTT, dual display, and dual standby that supports cross-band repeater. The amateur radio allows the hams to program it. When the walkie-talkie cannot work normally due to wrong operations, we can try to restore the factory settings, also known as initialization. RT23 supports two methods to initialize it, one is shortcut key initialization, the other is software initialization.  ...

Lora is short for Long Range. It is a low-power LAN wireless standard created by Semtech company. Its biggest feature is that it can travel farther than other wireless methods under the same power consumption condition, achieving low power consumption and Long-distance unity, it is 3-5 times longer than the traditional radio frequency communication distance under the same power consumption.  ...

Recently we received customer feedback. After trying to make RETEVIS 73 codeplug and writing into radio successfully, they received No menu item when entering the setting menu. but after trying to restore the factory, the menu shows normally. Why is this?  ...

On 5th May 1940, Chinese amateur radio operators started “On air conference”. On 5th May 1947, the conference covered all the regions in China, it was the biggest on-air event.  ...

Many antennas of amateur radios are detachable, then customers can replace the higher gain antennas to extend the communication range according to their needs. However, the non-original high-gain antenna interface can't connect to our radio directly, or the antenna is too long to directly connect horizontally, we need to choose a suitable adapter to connect them. So, how to choose the right adapter?  ...

Retevis RT3, RT8, RT82, RT3S, and RT90 are a  series of DMR walkie-talkies. But we may meet the same question after we programed the walkie-talkie and then turn on the radio, radio shows Unprogrammed like below picture. Why?  ...